VulnerabilityModified
CVE-2021-39996
There is a Heap-based buffer overflow vulnerability with the NFC module in smartphones.
CRITICAL 9.8EPSS 0.84%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
There is a Heap-based buffer overflow vulnerability with the NFC module in smartphones. Successful exploitation of this vulnerability may cause memory overflow.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.84% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- huawei/harmonyos · huawei/emui · huawei/magic ui
- Source
- psirt@huawei.com
References
- https://consumer.huawei.com/en/support/bulletin/2021/12/Vendor Advisory
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202112-0000001183296718Vendor Advisory
- https://consumer.huawei.com/en/support/bulletin/2021/12/Vendor Advisory
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202112-0000001183296718Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.